Widex and DMSP (Per OMA BAC MAE group) Modalities each implemented by a user agent and zero or more processing engines Modalities governed by an IM In a DMSP-based architecture, the IM is on the device with visual modality The voice modality is in the network Voice modality is semi-autonomous to limit network traffic InteractionManager UA B UA A PE 1 PE 2 PE 3 PE 4 Backend Source: OMA-MAE-2005-0127R01-MMMD-Arch-Diag Server Client Visual Modality Voice Modality DMSP DMSP |